"No angelic office, therefore, exists except as a reward of merit, nor do authorities wield their authority except as a result of their progress, nor do those who are called thrones, that is, authorities for judging and ruling, administer their functions except as a reward of merit, nor do the dominions exercise dominion but by merit; for this supreme and most excellent order of rational creatures in the heavenly places is thus arranged in a glorious variety of offices. p. 89"